Self-standing toothbrush handle



FIG. 1 is a perspective view of a self-standing toothbrush handle of our new design;

FIG. 2 is a left side elevation view thereof; the right side elevation being a mirror image of the left side elevation as shown herein in FIG. 2;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a back elevation view thereof; and,

FIG. 5 is a top plan view thereof.

The bottom of the self-standing toothbrush handle forms no part of the claimed design. 

The ornamental design for a self-standing toothbrush handle, as shown and described. 